The Organic Groups (OG) module 5.x before 5.x-7.3 and 6.x before 6.x-1.0-RC1, a module for Drupal, allows remote attackers to obtain sensitive information (private group names) via unspecified vectors.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3094)